package algotithm.interview.baidu.test3;

import java.io.*;

/**
 * @author zhouyanxiang
 * @Date 2021-03-2021/3/17-20:10
 */
public class Main {

    public static int Mod = 1000000007;
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(System.out));
        String s = reader.readLine();
        String t = reader.readLine();
        int k = Integer.parseInt(reader.readLine());


        writer.write(0 + "\n");
        writer.flush();
        writer.close();
        reader.close();
    }


}
